Home / 126,749.06-174,913.70-70,160.43

Finding the Fourth Proportional to 126,749.06, 174,913.70 and 70,160.43

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Solution

The fourth proportional to 126,749.06, 174,913.70 and 70,160.43 is: 96,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,749.06 : 174,913.70 = 70,160.43 : x
  2. Step 2: Convert to fraction form
    126,749.06/174,913.70 = 70,160.43/x
  3. Step 3: Cross multiply
    126,749.06x = 174,913.70 × 70,160.43
  4. Step 4: Simplify right side
    126,749.06x = 12,272,021,323.92
  5. Step 5: Solve for x
    x = 12,272,021,323.92/126,749.06
  6. Step 6: Final answer
    x = 96,821.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.